Warning: Permanently added '10.128.1.109' (ED25519) to the list of known hosts. 2025/08/17 07:33:59 ignoring optional flag "sandboxArg"="0" 2025/08/17 07:34:00 parsed 1 programs [ 63.322246][ T4189] cgroup: Unknown subsys name 'net' [ 63.450180][ T4189] cgroup: Unknown subsys name 'rlimit' [ 64.816460][ T4189] Adding 124996k swap on ./swap-file. Priority:0 extents:1 across:124996k FS [ 67.400465][ T4234] chnl_net:caif_netlink_parms(): no params data found [ 67.463561][ T4234] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.471391][ T4234] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.485843][ T4234] device bridge_slave_0 entered promiscuous mode [ 67.495658][ T4234] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.502795][ T4234] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.512330][ T4234] device bridge_slave_1 entered promiscuous mode [ 67.541545][ T4234] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 67.553049][ T4234] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 67.582336][ T4234] team0: Port device team_slave_0 added [ 67.589992][ T4234] team0: Port device team_slave_1 added [ 67.613754][ T4234] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 67.620757][ T4234] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 67.646923][ T4234] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 67.660210][ T4234] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 67.671217][ T4234] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 67.697796][ T4234] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 67.738054][ T4234] device hsr_slave_0 entered promiscuous mode [ 67.745007][ T4234] device hsr_slave_1 entered promiscuous mode [ 67.866854][ T4234] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 67.879723][ T4234] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 67.888750][ T4234] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 67.898725][ T4234] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 67.923195][ T4234] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.930372][ T4234] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.938052][ T4234] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.945149][ T4234] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.008366][ T4234] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.029441][ T1251] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.053318][ T1251] bridge0: port 1(bridge_slave_0) entered disabled state [ 68.067184][ T1251] bridge0: port 2(bridge_slave_1) entered disabled state [ 68.077293][ T1251] IPv6: ADDRCONF(NETDEV_CHANGE): bond0: link becomes ready [ 68.109633][ T4234] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.120339][ T1251] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.129303][ T1251] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.136399][ T1251] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.147988][ T1251] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.156826][ T1251] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.163858][ T1251] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.182279][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 68.200678][ T4234] hsr0: Slave A (hsr_slave_0) is not up; please bring it up to get a fully working HSR network [ 68.212661][ T4234] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.226270][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.234651][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.242974][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.251691][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.260981][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 68.349111][ T1251] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 68.357063][ T1251] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 68.370564][ T4234] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.398382][ T1251] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 68.407207][ T1251] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 68.426262][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 68.435661][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 68.447146][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 68.455482][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 68.466045][ T4234] device veth0_vlan entered promiscuous mode [ 68.488366][ T4234] device veth1_vlan entered promiscuous mode [ 68.506156][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 68.515902][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 68.523823][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 68.532538][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 68.542864][ T4234] device veth0_macvtap entered promiscuous mode [ 68.565310][ T4234] device veth1_macvtap entered promiscuous mode [ 68.580758][ T4234] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 68.588443][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 68.597613][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 68.606530][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 68.615430][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 68.627255][ T4234] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 68.635268][ T1251] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 68.644258][ T1251] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 68.664276][ T4234] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.673091][ T4234] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.682753][ T4234] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.691716][ T4234] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 68.788476][ T4234] syz-executor (4234) used greatest stack depth: 21024 bytes left [ 69.614742][ T1251] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.622698][ T1251] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.650519][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 69.665454][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 69.673505][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 69.682381][ T1251] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready 2025/08/17 07:34:09 executed programs: 0 [ 70.472196][ T154] netdevsim netdevsim0 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 70.490933][ T4295] chnl_net:caif_netlink_parms(): no params data found [ 70.533918][ T4295] bridge0: port 1(bridge_slave_0) entered blocking state [ 70.542127][ T4295] bridge0: port 1(bridge_slave_0) entered disabled state [ 70.550017][ T4295] device bridge_slave_0 entered promiscuous mode [ 70.558232][ T4295] bridge0: port 2(bridge_slave_1) entered blocking state [ 70.565421][ T4295] bridge0: port 2(bridge_slave_1) entered disabled state [ 70.573072][ T4295] device bridge_slave_1 entered promiscuous mode [ 70.592983][ T4295] bond0: (slave bond_slave_0): Enslaving as an active interface with an up link [ 70.604646][ T4295] bond0: (slave bond_slave_1): Enslaving as an active interface with an up link [ 70.627590][ T4295] team0: Port device team_slave_0 added [ 70.634939][ T4295] team0: Port device team_slave_1 added [ 70.652380][ T4295] batman_adv: batadv0: Adding interface: batadv_slave_0 [ 70.659581][ T4295] batman_adv: batadv0: The MTU of interface batadv_slave_0 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 70.686194][ T4295] batman_adv: batadv0: Not using interface batadv_slave_0 (retrying later): interface not active [ 70.698031][ T4295] batman_adv: batadv0: Adding interface: batadv_slave_1 [ 70.705324][ T4295] batman_adv: batadv0: The MTU of interface batadv_slave_1 is too small (1500) to handle the transport of batman-adv packets. Packets going over this interface will be fragmented on layer2 which could impact the performance. Setting the MTU to 1560 would solve the problem. [ 70.731589][ T4295] batman_adv: batadv0: Not using interface batadv_slave_1 (retrying later): interface not active [ 70.761699][ T4295] device hsr_slave_0 entered promiscuous mode [ 70.768731][ T4295] device hsr_slave_1 entered promiscuous mode [ 70.775543][ T4295] debugfs: Directory 'hsr0' with parent 'hsr' already present! [ 70.783346][ T4295] Cannot create hsr debugfs directory [ 71.167329][ T1421] ieee802154 phy0 wpan0: encryption failed: -22 [ 71.173943][ T1421] ieee802154 phy1 wpan1: encryption failed: -22 [ 72.434989][ T4260] Bluetooth: hci0: command 0x0409 tx timeout [ 74.050222][ T154] netdevsim netdevsim0 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.099306][ T154] netdevsim netdevsim0 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.180922][ T154] netdevsim netdevsim0 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 74.514471][ T2301] Bluetooth: hci0: command 0x041b tx timeout [ 75.060280][ T4295] netdevsim netdevsim0 netdevsim0: renamed from eth0 [ 75.069051][ T4295] netdevsim netdevsim0 netdevsim1: renamed from eth1 [ 75.079602][ T4295] netdevsim netdevsim0 netdevsim2: renamed from eth2 [ 75.091946][ T4295] netdevsim netdevsim0 netdevsim3: renamed from eth3 [ 75.150603][ T4295] 8021q: adding VLAN 0 to HW filter on device bond0 [ 75.163415][ T1251] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 75.171736][ T1251] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 75.182381][ T4295] 8021q: adding VLAN 0 to HW filter on device team0 [ 75.210347][ T1251] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 75.219229][ T1251] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 75.228448][ T1251] bridge0: port 1(bridge_slave_0) entered blocking state [ 75.235537][ T1251] bridge0: port 1(bridge_slave_0) entered forwarding state [ 75.243492][ T1251] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 75.256043][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 75.265114][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 75.273402][ T144] bridge0: port 2(bridge_slave_1) entered blocking state [ 75.280804][ T144] bridge0: port 2(bridge_slave_1) entered forwarding state [ 75.297290][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 75.306198][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 75.315346][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 75.323918][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 75.334682][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 75.362849][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 75.371717][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 75.383171][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_hsr: link becomes ready [ 75.392430][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 75.403523][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_hsr: link becomes ready [ 75.412551][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 75.423109][ T4295] IPv6: ADDRCONF(NETDEV_CHANGE): hsr0: link becomes ready [ 75.528996][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan1: link becomes ready [ 75.536715][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): vxcan0: link becomes ready [ 75.565934][ T4295] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 75.584068][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_virt_wifi: link becomes ready [ 75.592693][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_virt_wifi: link becomes ready [ 75.611449][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_vlan: link becomes ready [ 75.620352][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_vlan: link becomes ready [ 75.629284][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan0: link becomes ready [ 75.637280][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): vlan1: link becomes ready [ 75.652745][ T4295] device veth0_vlan entered promiscuous mode [ 75.673021][ T4295] device veth1_vlan entered promiscuous mode [ 75.690559][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan0: link becomes ready [ 75.698868][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): macvlan1: link becomes ready [ 75.706916][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_macvtap: link becomes ready [ 75.716619][ T9] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_macvtap: link becomes ready [ 75.729966][ T4295] device veth0_macvtap entered promiscuous mode [ 75.741692][ T4295] device veth1_macvtap entered promiscuous mode [ 75.757513][ T154] device hsr_slave_0 left promiscuous mode [ 75.764957][ T154] device hsr_slave_1 left promiscuous mode [ 75.771297][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 75.779068][ T154] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 75.788316][ T154] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 75.795937][ T154] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 75.803476][ T154] device bridge_slave_1 left promiscuous mode [ 75.810810][ T154] bridge0: port 2(bridge_slave_1) entered disabled state [ 75.822949][ T154] device bridge_slave_0 left promiscuous mode [ 75.830034][ T154] bridge0: port 1(bridge_slave_0) entered disabled state [ 75.847478][ T154] device veth1_macvtap left promiscuous mode [ 75.853658][ T154] device veth0_macvtap left promiscuous mode [ 75.860079][ T154] device veth1_vlan left promiscuous mode [ 75.866414][ T154] device veth0_vlan left promiscuous mode [ 76.010198][ T154] team0 (unregistering): Port device team_slave_1 removed [ 76.022808][ T154] team0 (unregistering): Port device team_slave_0 removed [ 76.035455][ T154] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 76.051388][ T154] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 76.105950][ T154] bond0 (unregistering): Released all slaves [ 76.172430][ T4295] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 76.184484][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macvtap0: link becomes ready [ 76.193418][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): macsec0: link becomes ready [ 76.201490][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_0: link becomes ready [ 76.210356][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_batadv: link becomes ready [ 76.222326][ T4295] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 76.231630][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): batadv_slave_1: link becomes ready [ 76.240420][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_batadv: link becomes ready [ 76.250437][ T4295] netdevsim netdevsim0 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.259596][ T4295] netdevsim netdevsim0 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.268402][ T4295] netdevsim netdevsim0 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.278030][ T4295] netdevsim netdevsim0 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 76.341041][ T144] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.357531][ T144] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.368476][ T9] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 76.369307][ T144] IPv6: ADDRCONF(NETDEV_CHANGE): wlan0: link becomes ready [ 76.378258][ T9] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 76.405416][ T1183] IPv6: ADDRCONF(NETDEV_CHANGE): wlan1: link becomes ready [ 76.443079][ T4348] [ 76.445446][ T4348] ====================================================== [ 76.452496][ T4348] WARNING: possible circular locking dependency detected [ 76.459510][ T4348] 5.15.189-syzkaller #0 Not tainted [ 76.464689][ T4348] ------------------------------------------------------ [ 76.471681][ T4348] syz.0.17/4348 is trying to acquire lock: [ 76.477470][ T4348] ffff88801d408c28 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}, at: __flush_work+0xc1/0x1b0 [ 76.488501][ T4348] [ 76.488501][ T4348] but task is already holding lock: [ 76.495857][ T4348] ffffffff8d4be228 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 76.505512][ T4348] [ 76.505512][ T4348] which lock already depends on the new lock. [ 76.505512][ T4348] [ 76.515892][ T4348] [ 76.515892][ T4348] the existing dependency chain (in reverse order) is: [ 76.524885][ T4348] [ 76.524885][ T4348] -> #4 (rfkill_global_mutex){+.+.}-{3:3}: [ 76.532852][ T4348] __mutex_lock_common+0x1eb/0x2390 [ 76.538556][ T4348] mutex_lock_nested+0x17/0x20 [ 76.543828][ T4348] rfkill_register+0x33/0x8a0 [ 76.549040][ T4348] hci_register_dev+0x452/0x970 [ 76.554415][ T4348] vhci_create_device+0x32c/0x5c0 [ 76.559952][ T4348] vhci_write+0x391/0x450 [ 76.564801][ T4348] vfs_write+0x712/0xd00 [ 76.569551][ T4348] ksys_write+0x14d/0x250 [ 76.574390][ T4348] do_syscall_64+0x4c/0xa0 [ 76.579314][ T4348] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 76.585718][ T4348] [ 76.585718][ T4348] -> #3 (&data->open_mutex){+.+.}-{3:3}: [ 76.593530][ T4348] __mutex_lock_common+0x1eb/0x2390 [ 76.594867][ T4312] Bluetooth: hci0: command 0x040f tx timeout [ 76.599241][ T4348] mutex_lock_nested+0x17/0x20 [ 76.610480][ T4348] vhci_send_frame+0x88/0x100 [ 76.615678][ T4348] hci_send_frame+0x1a9/0x2e0 [ 76.620902][ T4348] hci_tx_work+0x9f9/0x1710 [ 76.625927][ T4348] process_one_work+0x863/0x1000 [ 76.631372][ T4348] worker_thread+0xaa8/0x12a0 [ 76.636554][ T4348] kthread+0x436/0x520 [ 76.641149][ T4348] ret_from_fork+0x1f/0x30 [ 76.646083][ T4348] [ 76.646083][ T4348] -> #2 ((work_completion)(&hdev->tx_work)){+.+.}-{0:0}: [ 76.655276][ T4348] __flush_work+0xdd/0x1b0 [ 76.660217][ T4348] hci_dev_do_close+0x1e7/0x1030 [ 76.665691][ T4348] hci_unregister_dev+0x2d7/0x580 [ 76.671228][ T4348] vhci_release+0x73/0xc0 [ 76.676104][ T4348] __fput+0x234/0x930 [ 76.680594][ T4348] task_work_run+0x125/0x1a0 [ 76.685691][ T4348] do_exit+0x61e/0x20a0 [ 76.690354][ T4348] do_group_exit+0x12e/0x300 [ 76.695456][ T4348] get_signal+0x6ca/0x12c0 [ 76.700400][ T4348] arch_do_signal_or_restart+0xc1/0x1300 [ 76.706543][ T4348] exit_to_user_mode_loop+0x9e/0x130 [ 76.712339][ T4348] exit_to_user_mode_prepare+0xb1/0x140 [ 76.718394][ T4348] syscall_exit_to_user_mode+0x16/0x40 [ 76.724380][ T4348] do_syscall_64+0x58/0xa0 [ 76.729302][ T4348] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 76.735709][ T4348] [ 76.735709][ T4348] -> #1 (&hdev->req_lock){+.+.}-{3:3}: [ 76.743352][ T4348] __mutex_lock_common+0x1eb/0x2390 [ 76.749059][ T4348] mutex_lock_nested+0x17/0x20 [ 76.754338][ T4348] bg_scan_update+0x44/0x3b0 [ 76.759458][ T4348] process_one_work+0x863/0x1000 [ 76.764905][ T4348] worker_thread+0xaa8/0x12a0 [ 76.770086][ T4348] kthread+0x436/0x520 [ 76.774661][ T4348] ret_from_fork+0x1f/0x30 [ 76.779593][ T4348] [ 76.779593][ T4348] -> #0 ((work_completion)(&hdev->bg_scan_update)){+.+.}-{0:0}: [ 76.789400][ T4348] __lock_acquire+0x2c33/0x7c60 [ 76.794770][ T4348] lock_acquire+0x197/0x3f0 [ 76.799803][ T4348] __flush_work+0xdd/0x1b0 [ 76.804736][ T4348] __cancel_work_timer+0x3ac/0x520 [ 76.810372][ T4348] hci_request_cancel_all+0xcc/0x300 [ 76.816167][ T4348] hci_dev_do_close+0x4e/0x1030 [ 76.821521][ T4348] hci_rfkill_set_block+0x10a/0x190 [ 76.827233][ T4348] rfkill_set_block+0x1c6/0x420 [ 76.832589][ T4348] rfkill_fop_write+0x458/0x560 [ 76.837943][ T4348] vfs_write+0x300/0xd00 [ 76.842701][ T4348] ksys_write+0x14d/0x250 [ 76.847564][ T4348] do_syscall_64+0x4c/0xa0 [ 76.852493][ T4348] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 76.858896][ T4348] [ 76.858896][ T4348] other info that might help us debug this: [ 76.858896][ T4348] [ 76.869109][ T4348] Chain exists of: [ 76.869109][ T4348] (work_completion)(&hdev->bg_scan_update) --> &data->open_mutex --> rfkill_global_mutex [ 76.869109][ T4348] [ 76.884849][ T4348] Possible unsafe locking scenario: [ 76.884849][ T4348] [ 76.892276][ T4348] CPU0 CPU1 [ 76.897623][ T4348] ---- ---- [ 76.902969][ T4348] lock(rfkill_global_mutex); [ 76.907716][ T4348] lock(&data->open_mutex); [ 76.914806][ T4348] lock(rfkill_global_mutex); [ 76.922080][ T4348] lock((work_completion)(&hdev->bg_scan_update)); [ 76.928654][ T4348] [ 76.928654][ T4348] *** DEADLOCK *** [ 76.928654][ T4348] [ 76.936780][ T4348] 1 lock held by syz.0.17/4348: [ 76.941614][ T4348] #0: ffffffff8d4be228 (rfkill_global_mutex){+.+.}-{3:3}, at: rfkill_fop_write+0x19e/0x560 [ 76.951710][ T4348] [ 76.951710][ T4348] stack backtrace: [ 76.957589][ T4348] CPU: 0 PID: 4348 Comm: syz.0.17 Not tainted 5.15.189-syzkaller #0 [ 76.965554][ T4348] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 07/12/2025 [ 76.975621][ T4348] Call Trace: [ 76.978886][ T4348] [ 76.981803][ T4348] dump_stack_lvl+0x168/0x230 [ 76.986471][ T4348] ? load_image+0x3b0/0x3b0 [ 76.990963][ T4348] ? show_regs_print_info+0x20/0x20 [ 76.996275][ T4348] ? print_circular_bug+0x12b/0x1a0 [ 77.001477][ T4348] check_noncircular+0x274/0x310 [ 77.006406][ T4348] ? add_chain_block+0x940/0x940 [ 77.011326][ T4348] ? lockdep_lock+0xdc/0x1e0 [ 77.015903][ T4348] ? __lock_acquire+0x12d9/0x7c60 [ 77.020920][ T4348] ? lockdep_lock+0x1e0/0x1e0 [ 77.025581][ T4348] ? mark_lock+0x94/0x320 [ 77.029902][ T4348] ? _find_first_zero_bit+0xce/0xf0 [ 77.035094][ T4348] __lock_acquire+0x2c33/0x7c60 [ 77.039947][ T4348] ? verify_lock_unused+0x140/0x140 [ 77.045144][ T4348] ? verify_lock_unused+0x140/0x140 [ 77.050339][ T4348] lock_acquire+0x197/0x3f0 [ 77.054841][ T4348] ? __flush_work+0xc1/0x1b0 [ 77.059441][ T4348] ? __lock_acquire+0x7c60/0x7c60 [ 77.064460][ T4348] ? read_lock_is_recursive+0x10/0x10 [ 77.069824][ T4348] ? start_flush_work+0x776/0x820 [ 77.074839][ T4348] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 77.080741][ T4348] ? _raw_spin_unlock+0x40/0x40 [ 77.085592][ T4348] __flush_work+0xdd/0x1b0 [ 77.090003][ T4348] ? __flush_work+0xc1/0x1b0 [ 77.094590][ T4348] ? flush_work+0x20/0x20 [ 77.098934][ T4348] ? try_to_grab_pending+0xf3/0x7e0 [ 77.104149][ T4348] ? lockdep_hardirqs_off+0x70/0x100 [ 77.109422][ T4348] ? mark_lock+0x94/0x320 [ 77.113744][ T4348] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 77.119717][ T4348] ? lock_chain_count+0x20/0x20 [ 77.124572][ T4348] ? mark_lock+0x94/0x320 [ 77.129067][ T4348] ? __cancel_work_timer+0x331/0x520 [ 77.134352][ T4348] __cancel_work_timer+0x3ac/0x520 [ 77.139453][ T4348] ? cancel_work_sync+0x20/0x20 [ 77.144303][ T4348] ? __cancel_work+0x1f4/0x2d0 [ 77.149072][ T4348] ? lockdep_hardirqs_on+0x94/0x140 [ 77.154265][ T4348] ? __cancel_work+0x26f/0x2d0 [ 77.159035][ T4348] ? cancel_work+0x20/0x20 [ 77.163459][ T4348] ? lock_chain_count+0x20/0x20 [ 77.168297][ T4348] hci_request_cancel_all+0xcc/0x300 [ 77.173570][ T4348] hci_dev_do_close+0x4e/0x1030 [ 77.178407][ T4348] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 77.184317][ T4348] ? _raw_spin_unlock+0x40/0x40 [ 77.189164][ T4348] hci_rfkill_set_block+0x10a/0x190 [ 77.194357][ T4348] ? rcu_lock_release+0x20/0x20 [ 77.199215][ T4348] rfkill_set_block+0x1c6/0x420 [ 77.204066][ T4348] rfkill_fop_write+0x458/0x560 [ 77.208904][ T4348] ? verify_lock_unused+0x140/0x140 [ 77.214177][ T4348] ? rfkill_fop_read+0x4b0/0x4b0 [ 77.219102][ T4348] ? common_file_perm+0x150/0x1c0 [ 77.224125][ T4348] ? fsnotify_perm+0x5d/0x560 [ 77.228802][ T4348] ? security_file_permission+0x75/0xa0 [ 77.234439][ T4348] ? rfkill_fop_read+0x4b0/0x4b0 [ 77.239366][ T4348] vfs_write+0x300/0xd00 [ 77.243601][ T4348] ? file_end_write+0x250/0x250 [ 77.248448][ T4348] ? __context_tracking_exit+0x4c/0x80 [ 77.253917][ T4348] ? __lock_acquire+0x7c60/0x7c60 [ 77.259053][ T4348] ? __fdget_pos+0x1e2/0x370 [ 77.263638][ T4348] ksys_write+0x14d/0x250 [ 77.267955][ T4348] ? __ia32_sys_read+0x80/0x80 [ 77.272704][ T4348] ? lockdep_hardirqs_on+0x94/0x140 [ 77.277888][ T4348] do_syscall_64+0x4c/0xa0 [ 77.282299][ T4348] ? clear_bhb_loop+0x30/0x80 [ 77.286969][ T4348] ? clear_bhb_loop+0x30/0x80 [ 77.291648][ T4348] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 77.297541][ T4348] RIP: 0033:0x7fea39c08be9 [ 77.301949][ T4348] Code: ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 40 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 a8 ff ff ff f7 d8 64 89 01 48 [ 77.321540][ T4348] RSP: 002b:00007ffdb13df658 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 77.329945][ T4348] RAX: ffffffffffffffda RBX: 00007fea39e2ffa0 RCX: 00007fea39c08be9 [ 77.337908][ T4348] RDX: 0000000000000008 RSI: 0000200000000300 RDI: 0000000000000003 [ 77.345877][ T4348] RBP: 00007fea39c8be19 R08: 0000000000000000 R09: 0000000000000000 [ 77.353878][ T4348] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 77.361842][ T4348] R13: 00007fea39e2ffa0 R14: 00007fea39e2ffa0 R15: 0000000000000003 [ 77.369920][ T4348]